Cheap Alaska Airlines flights Seattle (SEA) to Miami (MIA)

Finding cheap one-way Alaska Airlines flights from SEA to MIA on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our affordable return fares for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines flights to Miami tend to be more affordable in the low-season months of September and October. Whether you’re searching for a one-way or a return ticket, you could score a better deal then.

Search for affordable Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Jet off on one of Alaska Airlines’s 7 weekly direct flights from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA). To see your options, enter your origin, destination and dates and hit search. Next, apply the “Nonstop” and “Airline” filters.

It takes around 5h 59m to travel nonstop from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA) with Alaska Airlines.

Departing SEA at 7:56AM UTC-8, the first Alaska Airlines flight to MIA arrives at 4:55PM UTC-5. Flying early means you’re less likely to encounter cancellations or delays.* Not an early riser? The last Alaska Airlines flight from SEA to MIA departs at 7:56AM UTC-8 and touches down at 4:55PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Miami touch down at Miami Intl. Airport (MIA) and Fort Lauderdale - Hollywood Intl. Airport (FLL). The main Miami hub serviced by this carrier is MIA. It’s always worth considering flights arriving at nearby airports on Expedia as there may be lower prices.

Heading from SEA to MIA with Alaska Airlines comes with a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s in addition to the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Alaska Airlines usually operates Boeing 737 MAX 9 planes for flights from Seattle - Tacoma Intl. Airport (SEA) to Miami Intl. Airport (MIA). Bear in mind that aircraft type can change depending on operational demands, so the plane you board might be different on your travel date.

It’s usually possible to cancel or change your flight, although there may be additional fees if you booked over 24 hours ago. Want to keep your options open? Make use of Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you need to revise your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for further information.